A character named Rock Heart

After a nuclear holocaust tears the world apart, mankind is forced to the harshness of not only the oppression of others who are much more powerful, but the dead earth which seems to be getting worse with every passing moment. But a savior has risen from the ashes, a man who will defeat those who would torment the weak and make the world a livable place once more. A man named Kenshiro...

In the year 199X, human civilization has been all but destroyed by a nuclear holocaust.

Rock of hearts